<%--
  Created by IntelliJ IDEA.
  User: oldliu
  Date: 2022/7/7
  Time: 10:15
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>

<html>
<head>
    <title>Title</title>

</head>
<body>
  <h1><%=pageContext.getAttribute("str")%></h1>
  <h1><%=request.getAttribute("str")%></h1>
  <h1><%=session.getAttribute("str")%></h1>
  <h1><%=application.getAttribute("str")%></h1>
</body>
</html>
